import type { SelectionState } from "../../ui-core/controllers/selection-controller.js";
import { type SemanticAnchor, type SemanticDocument } from "../../ui-core/state/semantic-document.js";
import type { FeedBlock } from "./feed-blocks.js";
import type { TranscriptWindow, TranscriptWindowRow } from "./transcript-window.js";
export interface TranscriptPointerGeometry {
    readonly left: number;
    readonly top: number;
}
export interface SelectionSpan {
    readonly text: string;
    readonly start: number;
    readonly end: number;
}
export declare function classicTranscriptDocument(blocks: readonly FeedBlock[]): SemanticDocument;
export declare function anchorAtTranscriptPointer(window: TranscriptWindow, x: number, y: number, geometry: TranscriptPointerGeometry, clamp?: boolean): SemanticAnchor | undefined;
export declare function selectionSpanForRow(row: TranscriptWindowRow, document: SemanticDocument, state: SelectionState): SelectionSpan | undefined;